A, x ²-4x+y ²+2y=-5 b,tính nhanh : 37 ²+45 ²-18 ²+90.37 ctính nhanh : 85.12,7+3.50.1,27 d, tính : x ² +xy-y^2

Exercise 4: Give the correct form of the verbs in brackets. A. My darling, I miss_________________(1- be) with you so much. I know I ought _________________ (2- enjoy) _________________ (3- travel) through Europe with my parents, But I just can’t help_________________ (4-think) about you all the time. I know they want me _________________ (5-be) happy, but I just feel like_________________ (6-come) home to you. I’ve considered _________________ (7-tell) them what the matter is, but I don’t want _________________ (8-risk) _________________ (9-make) them angry, because they are trying so hard _________________ (10-make) me happy. Tomorrow, we’ve decided _________________ (11-go) to Rome, and then we’re planning _________________ (12-visit) Venice for a few days. After that we’ve arranged _________________ (13-stay) in France for a couple of weeks, but I hope _________________ (14-get back) before the end of the month. B. Just a quick note and a few words of advice before you leave for England. I think you should try __________ (1- get) a nice family _____________ (2. stay) with. Some families let their guests _____________ (3-do) more or less what they want. But others make them _____________ (4-do) all sorts of unpleasant things, such as housework and the washing up. I’ve even heard of one family that forced a student______________ (5-take) the dog for a walk and ______________(6-look after) the children. That’s the reason why I would advise you _______________ (7-stay) with the Jacksons in Wimlendon. Mrs Jackson is a wonderful person. If you can get a room there, you needn’t ______________ (8-worry) about anything. She will allow you___________ (9- do) almost anything you like, and she really knows how____________ (10-cook) as well.

Giúp với mn ơi ❤️❤️❤️❤️❤️❤️❤️❤️❤️

giúp mk vs VIII. Complete the second sentence so that it has a similar meaning to the first (5p) 1. “You should do morning exercise regularly, Hoa.” Lam said. Lam said 2. “Wash your clothes, please.” Lam’s mother said to her. Lam 3. He usually drove carelessly when he was small. He used 4. Tests in class 8E are more difficult than tests in class 8D. Tests in class 8D is 5. She started to give up smoking last year. She…………........................................................................................ 6. "How are you?" Martin asked us. Martin asked us................................................ ................... 7· He asked, "Do I have to do it?" He asked............................................. ...................... 8· "Where have you been?" the mother asked her daughter. The mother asked her daughter........................................ 9· "Which dress do you like best?" she asked her boyfriend. She asked her boyfriend......................................... ......... 10· "What are they doing?" she asked. She wanted to know.............................................. ..................... 11· "Are you going to the cinema?" he asked me. He wanted to know.............................................. .....................

Tìm x, biết: 2. (x+1)-2^3.3=3^2.2

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câu 1 dựa vào hình 3 chấm 4 sách giáo khoa trang 121 bản đồ khu vực trung tâm thành phố Hồ Chí Minh a hãy xác định hướng từ ủy ban Nhân dân thành phố đến hội trường thống nhất b tính khoảng cách thực địa của hai điểm trên đơn vị sử dụng khoảng cách thực địa là m

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`3sqrt{x-3} - sqrt{x+5}=2x-8` `1/(2√2)+1/(4√3)+1/(6√6)+....+1/(2n.sqrt{n+1})+1/sqrt{n+1} >1` Cho `x,y,z>0;xyz=1` Min `P=(x+1347)/(x^3(y+z)) +(y+1347)/(y^3(x+z))+(z+1347)/(z^3(x+y))`